Re: More Cyrillic vs UTF-8

[Richard Stallman]

    > Unsupported:
    >
    > CJK Unified Ideographs Extension A (1.5MB)
    > CJK Unified Ideographs (5MB)
    > Yi Syllables
    > Yi Radicals
    > Hangul Syllables (7MB)
    > High Surrogates
    > Low Surrogates
    > Old Italic
    > Gothic
    > Deseret
    > Byzantine Musical Symbols
    > Musical Symbols
    > Mathematical Alphanumeric Symbols
    > CJK Unified Ideographs Extension B (13MB)
    > CJK Compatibility Ideographs Supplement
    > Tags
    > Supplementary Private Use Area-A
    > Supplementary Private Use Area-B

    It seems that these might be summarized by CJK, Music, Maths, Private
    Use Area.

I don't know what "Surrogates" are.  Also, Old Italic and Gothic do not
fit in that list.  What are "Tags"?

Also, I am not sure whether ALL CJK characters are included here.
For instance, are Hangul letters included here?